76 to 100 of 904 Performance Optimisation Jobs in the UK

Machine Learning Engineer

Hiring Organisation
RedTech Recruitment Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
beneficial but is not essential. Experience in any of the following would be beneficial: LangChain and/or LangGraph Python memory management and performance optimisation GPU optimisation and acceleration PyTorch ONNX/ONNX Runtime Model inference and acceleration Responsibilities for Machine Learning Engineer: Develop and maintain high … prototyping and experimentation through to production implementation Optimise machine learning models and Python software for speed, scale, runtime and memory usage Help improve the performance and scalability of existing AI systems Develop innovative new features using machine learning and AI technologies Explore new technologies and approaches to solve complex ...

Machine Learning Engineer (Mid to Principal)

Location
West of England, England, United Kingdom
data engineering, foundation models and LLM/agentic systems. We are now hiring across a broad range of ML skills, including model training, evaluation, optimisation, infrastructure and deployment. As an ML Engineer at Rowden, you will contribute to, own or lead development effort on projects and products, depending … developing and deploying AI systems that solve complex problems with real-world impact. Our work is broad, spanning edge and embedded deployment, model evaluation, performance optimisation, data pipelines, large-scale training and ML infrastructure all focused on bringing useful AI capability to edge and embedded environments. ...

Polyglot Engineer (JS/Python/Go)

Location
Greater London, England, United Kingdom
Express, etc.); Production experience with React, modern build tools, state management, responsive design, and accessibility standards; Comprehensive testing experience (unit, integration, E2E, security) and performance optimization; Scalable system design patterns, load balancing, and high-availability architectures; Database design and optimization (both relational and NoSQL); API development (REST, GraphQL, gRPC … Kafka, RabbitMQ); Cloud platforms (AWS, Azure, GCP) with containerisation (Docker, Kubernetes); CI/CD pipelines and Infrastructure as Code (Terraform, CloudFormation); Monitoring, observability, and performance optimisation tools; You can keep a cool head when debugging production issues; Use AI tools to augment your work, applying sound judgement ...

Lead Developer

Hiring Organisation
London Stock Exchange Group
Location
London, UK
Employment Type
Full-time
internal platforms and client facing products. You will work with innovative technologies, contribute to complex algorithmic design, and drive engineering excellence in a high performance, data intensive environment. Key Responsibilities Core Engineering & Platform Delivery Design, develop, and maintain complex Java and Python applications using modern engineering practices. Build/… embed AI powered features into mission critical systems. Architect and enhance services that support large scale, performance critical index computations. Collaborate with Product Managers, UX, and engineering teams globally to deliver high quality products. Lead projects end-to-end through requirements, design, development, testing, deployment, and operations. Build ...

Senior UI Architect , Vice President

Location
City of Edinburgh, Scotland, United Kingdom
Excellence Guide development teams through architectural implementation and technical challenges. Establish CI/CD, testing, observability, and quality engineering practices for UI applications. Lead performance optimisation initiatives, including Core Web Vitals improvements. Ensure maintainability, scalability, and resilience of front-end solutions. Enterprise Integration Define integration patterns between … concepts Cloud & DevOps AWS, Azure, or Google Cloud CI/CD pipelines Integration REST APIs GraphQL OAuth2/OpenID Connect Enterprise SSO solutions Quality & Performance Web accessibility (WCAG) Core Web Vitals Automated testing frameworks Performance monitoring and observability Preferred Experience Large-scale financial services, banking, asset management ...

Senior UI Architect , Vice President

Location
Greater London, England, United Kingdom
Excellence Guide development teams through architectural implementation and technical challenges. Establish CI/CD, testing, observability, and quality engineering practices for UI applications. Lead performance optimisation initiatives, including Core Web Vitals improvements. Ensure maintainability, scalability, and resilience of front-end solutions. Enterprise Integration Define integration patterns between … concepts Cloud & DevOps AWS, Azure, or Google Cloud CI/CD pipelines Integration REST APIs GraphQL OAuth2/OpenID Connect Enterprise SSO solutions Quality & Performance Web accessibility (WCAG) Core Web Vitals Automated testing frameworks Performance monitoring and observability Preferred Experience Large-scale financial services, banking, asset management ...

Senior Consultant - Full-stack Developer - DE - TC - UKI - Belfast

Hiring Organisation
EY (Ernst & Young)
Location
Belfast, UK
Employment Type
Full-time
clients. Perform thorough peer code reviews, providing constructive feedback and maintaining high engineering standards. Support and lead non-functional improvements, including technical debt reduction, performance optimisation and creation of clear API documentation. Provide technical mentorship and guidance to junior developers, promoting a culture of continuous improvement and engineering ...

Senior Full Stack Developer

Location
Leeds, England, United Kingdom
release automation practices. Experience implementing automated testing (unit, integration, and end-to-end). Strong understanding of SQL and NoSQL databases, data modelling, and performance optimisation. Knowledge of secure coding practices and application security principles. Experience with containerisation technologies (e.g., Docker) and orchestration platforms (e.g., Cloud Run, Kubernetes). ...

Senior Software Developer

Location
Southampton, England, United Kingdom
including Spring, Spring Boot, Hibernate, and RESTful APIs . Experience working with relational databases such as Oracle or SQL Server , including complex queries and performance optimisation. Hands‐on experience with CI/CD tools , version control (Git), and container technologies such as Docker and Kubernetes . Experience with automated ...

Senior Full Stack Developer

Location
Greater London, England, United Kingdom
infrastructure on platforms such as AWS, Azure or similar. Experience designing and developing RESTful APIs and integrating with third-party services. Experience with application performance optimisation, including database optimisation, caching and improving application performance. Experience contributing to or defining application architecture and technical standards. Experience implementing ...

Senior Full-Stack Developer

Location
Greater London, England, United Kingdom
engineering with technical leadership to help deliver secure, scalable technology with real‐world impact. Role Overview: Package: £75,000 basic salary + annual performance bonus and perks What You’ll Be Doing: Design, build and deploy scalable full‐stack software solutions across front‐end, back‐end and data engineering. … Develop high‐quality APIs, backend services and complex data pipelines with performance and reliability in mind. Work extensively with Python, TypeScript and SQL across a variety of applications and integrations. Support the delivery of technology solutions helping public‐sector organisations adopt AI and machine learning effectively. Deploy and maintain ...

Senior AI Platform Engineer

Location
Greater London, England, United Kingdom
planning and execution of LLM initiatives and translating research requirements into scalable engineering solutions. Partner with centralised infrastructure teams to design and deliver high-performance compute environments across AWS and on-premises platforms, including GPU infrastructure, Slurm clusters, and migration from ad hoc research workflows. Optimise LLM training … inference workloads, supporting research and product teams in maximising performance, scalability, and reliability across the infrastructure stack. Establish and maintain model and data lifecycle capabilities, including dataset versioning, lineage tracking, reproducibility standards, and integration with model registries. Lead the evolution of knowledge graph infrastructure, driving technology selection, migration strategies ...

Mechanical Design Engineer (Liquid Cooling)

Hiring Organisation
Ernest Gordon Recruitment Limited
Location
Watford, Hertfordshire, United Kingdom
Employment Type
Permanent
Salary
£45000 - £55000/annum Hybrid + Internal Training
cooling and Rear Door Heat Exchanger Systems for data centre applications Produce technical drawings and models using CAD and Revit Carry out thermal modelling, performance analysis, and system optimisation Mentor junior engineers and provide technical leadership across engineering projects Monday to Friday, 9 - 5:30 The Person Degree … Heat Exchangers, Fluid Distribution, Pipework Design, Piping Layout, Hydraulic Design, Hydraulic Systems, Fluid Mechanics, Thermodynamics, Heat Transfer, Thermal Analysis, Thermal Modelling, Airflow Management, Thermal Optimisation, High Density Cooling, Direct-to-Chip Cooling, Immersion Cooling, Rack Cooling, Rack Integration, Mechanical Design, Product Development, New Product Development, Engineering Design, Engineering Drawings ...

Lead Azure Databricks Platform Engineer / Architect

Hiring Organisation
TXP
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£500 - £501 per day
platform controls, and enhancing the Databricks Discovery Zone to support workloads currently delivered through POSIT/RStudio. Key Responsibilities 1. Databricks Serverless Enablement and Optimisation Assess existing workloads and determine suitability for Serverless, classic, job or interactive compute based on duration, utilisation, SLA, concurrency, performance and cost. Enable … Serverless is not economical for predictable, heavy or continuously running workloads. Implement compute policies, autoscaling, quotas, budget controls and operational guardrails. Measure cost and performance outcomes, identify idle or oversized compute, and recommend optimisation actions. 2. FinOps and Enterprise Platform Controls Define and embed a practical FinOps operating ...

Senior Data Engineer

Location
City of Edinburgh, Scotland, United Kingdom
workflows to ensure data quality and accessibility. Collaborate: Partner with data scientists, analysts, and client stakeholders to understand requirements and deliver impactful solutions. Performance Optimisation: Monitor and enhance the performance of data systems to ensure minimal downtime and rapid query responses. Automation and Tools: Identify automation opportunities ...

Core Data Engineer

Location
City of Edinburgh, Scotland, United Kingdom
workflows that ensure data quality and accessibility. Collaboration: Work closely with data scientists, analysts, and client stakeholders to understand requirements and deliver impactful solutions. Performance Optimisation: Monitor and enhance the performance of data systems to ensure minimal downtime and fast query responses. Automation and Tools: Identify opportunities ...

Backend Developer – AWS, TypeScript, Serverless Architecture, AWS Lambda

Location
Greater London, England, United Kingdom
technical discussions, code reviews and architectural decision-making • Develop automated tests and contribute to CI/CD processes • Investigate and resolve technical issues, defects, performance problems and production incidents • Address security, accessibility, privacy, resilience, scalability and performance throughout the development lifecycle • Contribute to technical documentation, knowledge sharing, development … using Git and modern software development workflows Understanding of clean code, modularity, maintainability, version control and design patterns Experience diagnosing and resolving application defects, performance issues and production problems Understanding of AWS Lambda and serverless application development Understanding of AWS services, event-driven architectures, asynchronous processing, API integrations ...

Software Engineer

Hiring Organisation
Ronald James
Location
Newcastle Upon Tyne, Tyne and Wear, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £65,000 per annum
Tyne The Role We’re looking for a talented and driven Full Stack Software Engineer to join a team building and evolving a high-performance, real-time trading platform used globally. This is an opportunity to work on technically complex systems where performance, reliability and scalability are critical. … explore and adopt emerging technologies, including AI-assisted development tools, automation and modern engineering practices. Key Responsibilities Design and develop scalable, secure and high-performance systems for a real-time trading platform. Build and maintain backend applications using C#/.NET. Contribute to modern frontend development using technologies such ...

Senior Data Engineer

Location
Glasgow, Scotland, United Kingdom
client engagements. You will operate across the full lifecycle, from early discovery and requirement gathering through architecture design, hands-on delivery, and ongoing optimisation, using Microsoft Azure, Fabric, Power BI, and AI capabilities. As a trusted consultant, you will work closely with business and technical stakeholders, influence data … delivering solutions using Microsoft Fabric, including Lakehouse, Warehousing, Data Engineering, and Real-Time Analytics Advanced skills in Power BI, including semantic modelling (DAX), performance optimisation, and enterprise-scale deployments Solid background in data architecture, including data modelling, integration patterns, and modern analytics architectures Experience building and optimising data ...

Principal Java Engineer

Location
Wallingford, England, United Kingdom
architecture and technical direction across multiple products and services. Design, implement and review high-quality Java and full-stack solutions, APIs and integrations. Lead performance optimisation, scalability and resilience initiatives. Drive security best practices, vulnerability remediation and secure software development lifecycle (SDLC) practices. Work closely with Data, Operations … complex production issues. Drive improvements in system observability, monitoring and operational performance. Ensure applications are designed and operated to meet reliability, availability and performance targets. Partner with Operations, DevOps and QA teams to maintain production stability and service quality. Embed a culture of operational excellence, continuous improvement and proactive ...

Senior Consultant - Full-stack Developer - DE - Technology Consulting - UKI - Belfast

Location
Belfast City District, Northern Ireland, United Kingdom
clients. Perform thorough peer code reviews, providing constructive feedback and maintaining high engineering standards. Support and lead non-functional improvements, including technical debt reduction, performance optimisation and creation of clear API documentation. Provide technical mentorship and guidance to junior developers, promoting a culture of continuous improvement and engineering ...

Senior Consultant - Full-stack Developer - DE - TC - UKI - Belfast

Location
Belfast City District, Northern Ireland, United Kingdom
clients. Perform thorough peer code reviews, providing constructive feedback and maintaining high engineering standards. Support and lead non-functional improvements, including technical debt reduction, performance optimisation and creation of clear API documentation. Provide technical mentorship and guidance to junior developers, promoting a culture of continuous improvement and engineering ...

Manager - Full-stack Developer - DE - TC - UKI - Belfast

Hiring Organisation
EY (Ernst & Young)
Location
Belfast, UK
Employment Type
Full-time
clients. Perform thorough peer code reviews, providing constructive feedback and maintaining high engineering standards. Support and lead non-functional improvements, including technical debt reduction, performance optimisation and creation of clear API documentation. Play a key role in defining the engineering strategy for Digital Engineering, advocating for consistent standards ...

Full-stack Developer (Senior)

Location
Manchester, England, United Kingdom
working with Git and modern source control workflows. Experience with automated testing and CI/CD pipelines. Strong understanding of software architecture, security and performance optimisation. Experience mentoring other developers. Excellent communication and stakeholder management skills. Umbraco and/or Xperience by Kentico experience. Docker and containerisation. Azure DevOps ...

Principal Database & Analytics Engineer

Location
United Kingdom
will take a hands-on role in designing, building and supporting robust data and application solutions that deliver measurable business value. Lead the engineering, optimisation and continuous improvement of our database estate, ensuring performance, resilience, security and maintainability remain at the heart of everything we build. Partner with … deliver great outcomes will be a core part of the role. Your skills and experience Deep expertise in SQL Server and database engineering, including performance optimisation, schema design, data modelling and operational support. Strong knowledge of relational database design principles, normalisation and data modelling. Ability to write complex ...